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The Maxima on-line user's manual

Algebra Calculator

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Concat Calculator

Concat

Function: concat (<arg_1>, <arg_2>, ...) Concatenates its arguments. The arguments must evaluate to atoms. The return value is a symbol if the first argument is a symbol and a string otherwise.

block(a:15,x:3, if (a > 10) then return(a), x+a);
b:5;
concat("x",b);
c:[1,2,3,4];
c[2]:20;
c;

concat evaluates its arguments. The single quote prevents evaluation.

          (%i1) y: 7$
          (%i2) z: 88$
          (%i3) concat (y, z/2);
          (%o3)                          744
          (%i4) concat (y, z/2);
          (%o4)                          y44

A symbol constructed by concat may be assigned a value and appear in expressions. The :: (double colon) assignment operator evaluates its left-hand side.

          (%i5) a: concat (y, z/2);
          (%o5)                          y44
          (%i6) a:: 123;
          (%o6)                          123
          (%i7) y44;
          (%o7)                          123
          (%i8) b^a;
                                         y44
          (%o8)                         b
          (%i9) %, numer;
                                         123
          (%o9)                         b

Note that although concat (1, 2) looks like a number, it is a string.

          (%i10) concat (1, 2) + 3;
          (%o10)                       12 + 3

There are also some inexact matches for concat. Try ?? concat to see them.

(%o1)                                true
(%i2) 

Concat Example

Related Examples

concat-max-min-print-random-round

/* calculem el mes */...

min : 1;

/* Definim el minim*...

Calculate

concat-draw-explicit-load-points

load(interpol);

load(draw);

p:[[7.2,2.5],[8.5,2.1...

Calculate

concat-makelist

makelist(concat(x,i),...

Calculate

concat-expand-sconcat

sconcat ("xx[", 3, "]...

Calculate

concat-pi-sin-subst

pi:3.14;

eq1:"sin(x*pi)";

eq2:"world! ";

Calculate

concat-pi-sin-subst

eq1:"sin(x*pi)";

eq2:"world! ";

aa:concat(eq1,eq2,"si...

Calculate

concat-floor-numer-string

Aufgabe1:[Ko=1000,p=3...

Aufgabe2:[Ko=2000,p=2...

Aufgabe3:[Ko=3000,P=2...

Calculate

concat-sin

eq1:"hello";

eq2:"world";

concat(eq1,eq2,"sin()");

Calculate

concat-diff-sum

k:1;

n:0;

f:2*k*%pi*s^2*(1+2*(1...

Calculate

concat-example-first-second

/* cislo jako [[p1,k1...

/* example: *//* vypi...

/* example: */ write_...

Calculate